Home / 31,629.63-47,444.45-8,256.09

Finding the Fourth Proportional to 31,629.63, 47,444.45 and 8,256.09

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Solution

The fourth proportional to 31,629.63, 47,444.45 and 8,256.09 is: 12,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.63 : 47,444.45 = 8,256.09 : x
  2. Step 2: Convert to fraction form
    31,629.63/47,444.45 = 8,256.09/x
  3. Step 3: Cross multiply
    31,629.63x = 47,444.45 × 8,256.09
  4. Step 4: Simplify right side
    31,629.63x = 391,705,607.92
  5. Step 5: Solve for x
    x = 391,705,607.92/31,629.63
  6. Step 6: Final answer
    x = 12,384.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.